Allow Chrome apps to create Ash Panels (apps v2)

chrome/browser/extensions/api/app_window/app_window_api.cc

Index: chrome/browser/extensions/api/app_window/app_window_api.cc
diff --git a/chrome/browser/extensions/api/app_window/app_window_api.cc b/chrome/browser/extensions/api/app_window/app_window_api.cc
index 32d83de92dd73bdffe183a5b71bcb463a9e0cf9e..c57ba20a5d7399328bf8c5bb29ae4802f8f486df 100644
--- a/chrome/browser/extensions/api/app_window/app_window_api.cc
+++ b/chrome/browser/extensions/api/app_window/app_window_api.cc
@@ -33,6 +33,7 @@ const char kInvalidWindowId[] =
     "The window id can not be more than 256 characters long.";
 }
 
+const char kPanelTypeOption[] = "panel";
 const char kNoneFrameOption[] = "none";
 const char kHtmlFrameOption[] = "experimental-html";
 
@@ -150,6 +151,11 @@ bool AppWindowCreateFunction::RunImpl() {
         create_params.bounds.set_y(*bounds->top.get());
     }
 
+    if (options->type.get()) {
+      if (*options->type == kPanelTypeOption)
+        create_params.window_type = ShellWindow::WINDOW_TYPE_PANEL;
+    }
+
     if (options->frame.get()) {
       if (*options->frame == kHtmlFrameOption &&
           CommandLine::ForCurrentProcess()->HasSwitch(